/Engine/Source/Runtime/MovieScene/Public/Evaluation/IMovieSceneEvaluationHook.h
virtual void Begin ( [IMovieScenePlayer](API\Runtime\MovieScene\IMovieScenePlayer) * Player, const [UE::MovieScene::FEvaluationHookParams](API\Runtime\MovieScene\Evaluation\FEvaluationHookParams) & Params ) const